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Ceftibuten

頭孢布烯
Mechanism of action:
Ceftibuten 是一種第三代口服頭孢菌素抗生素(third-generation cephalosporin antibiotic)。Ceftibuten 的 β-內醯胺(β-lactam)環可與細菌的青黴素結合蛋白(penicillin-binding proteins,PBPs)結合,抑制其轉肽酶(transpeptidase)活性,使肽聚醣(peptidoglycan)鏈無法交聯,最後細胞壁結構脆弱,因滲透壓而讓細菌裂解死亡。
Reference(s):
Wise R et al. (1990). Ceftibuten—in vitro activity against respiratory pathogens, beta-lactamase stability and mechanism of action. J Antimicrob Chemother.
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